Electric generator for vehicle producing dual output voltages

Details Electric generator for vehicle producing dual output voltages Electric generator for vehicle producing dual output voltages

H - Electricity

02

K

H02K 19/34 (2006.01) H02K 7/18 (2006.01) H02K 11/04 (2006.01) H02K 16/04 (2006.01)

Patent

CA 2519968

An electric generator according to the invention includes a rotor, a stator, a rectifier, and a regulator. The rotor includes a field winding. The stator includes a first and a second three-phase winding, each of which has three output terminals corresponding to respective phases. The rectifier has a specially designed three-layer structure, to which the output terminals of the first and second three-phase windings are separately connected, and works to output two different DC voltages through rectifying outputs of the two three-phase windings. The regulator works to regulate the output voltages through controlling a field current supply to the field winding. With such a structure, the electric generator can reliably produce two different output voltages at the same time. Moreover, compared to existing electric generators producing dual output voltages, the structure of the electric generator is much simplified, thus reducing manufacturing cost and the internal impedance of the electric generator.

Génératrice comprenant un rotor, un stator, un redresseur et un régulateur. Le rotor comprend un enroulement de champ triphasé. Le stator comprend un premier et un second enroulement triphasé, chacun comportant trois bornes de sortie correspondant aux trois phases. Le redresseur est constitué d'une structure spéciale à trois couches à laquelle les bornes de sortie du premier et du second enroulement triphasé sont séparément raccordées, et sert à produire deux tensions de courant continu en corrigeant le courant produit par les deux enroulements triphasés. Le régulateur sert à régler les tensions de sortie en commandant l'alimentation en courant d'excitation de l'enroulement de champ. Grâce à une telle structure, la génératrice peut produire de manière fiable deux tensions de sortie en même temps. Par ailleurs, la structure de cette génératrice est beaucoup plus simple que celle des autres génératrices actuelles capables de produire deux tensions de sortie, ce qui permet de réduire les coûts de fabrication et l'impédance interne de la génératrice.

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